OpenTechnical

OT-2026-000075825

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000075825) never changes.

Identity and time

Publication numberOT-2026-000075825 · never reused
Internal UUID01a0ae94-29fe-73ff-b121-461bfcef05ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075825
StatusPUBLIC

Content hashes

Canonical text90d05834589a42c0a2a4f7ac848f888ddba6d20ff2b9151fe57b175280c36205
Markdownb1fb2d386efd7b836d499bc37c7dd2e85cb87cf8b157825ce739dedd9ed9b52f
PDF
Publication pagea54aab1bb10288ac0165c6d595297bda6128df1486ca977440468bf00f72e963
Manifest3c4d1d99695532422cc88f9daa7ca59d84396fcdb8bd81c8fe857e7880037fa1

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureBTuDoXWRxzxKsIlhZ+XM0kWYqDQFmTNS5dhLKtpg5Cv2esePxgMeErGGzpW2PvBrI9xIBu+A9Il1OpSaqTi5Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:14:22.472857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075825
observed a54aab1bb10288ac0165c6d595297bda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:22.452668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075825/manifest.json
observed 3c4d1d99695532422cc88f9daa7ca59d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:22.306336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075825/publication.md
observed b1fb2d386efd7b836d499bc37c7dd2e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:22.288077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075825/publication.txt
observed 90d05834589a42c0a2a4f7ac848f888d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.